:root {
  --bg: #fafafa; --card: #fff; --text: #1b1b1b; --muted: #6b6b6b; --line: #e3e3e3;
  --accent: #1f6feb; --accent-text: #fff; --error: #b42318; --bar: #e8eefc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212; --card: #1c1c1c; --text: #ececec; --muted: #9a9a9a; --line: #2c2c2c;
    --accent: #5b9bff; --accent-text: #0b1b36; --error: #ff7b6b; --bar: #1f2a44;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 -apple-system, system-ui, "Segoe UI", Roboto, sans-serif; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); font-size: 18px; }
nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--text); text-decoration: none; }
nav a:hover { text-decoration: underline; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
h1 { font-size: 24px; margin: 8px 0 12px; }
h2 { font-size: 18px; margin: 28px 0 10px; }
p { margin: 8px 0; }
.hint, .meta { color: var(--muted); font-size: 14px; }
.error { color: var(--error); }
.msg { background: var(--bar); border-radius: 8px; padding: 10px 12px; }
.msg.error { background: transparent; border: 1px solid var(--error); }
input[type=text], input[type=url], input[type=password], input[type=number] {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); width: 100%;
}
input[type=number] { width: 80px; }
button, .button {
  font: inherit; font-weight: 600; padding: 9px 14px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--accent); color: var(--accent-text); text-decoration: none; display: inline-block; line-height: 1.2;
}
button.quiet, .button.quiet { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button.danger { color: var(--error); }
button.link { background: none; border: 0; padding: 0; color: var(--text); font-weight: 400; cursor: pointer; }
button.link:hover { text-decoration: underline; }
form { margin: 0; }
.paste { display: flex; gap: 8px; margin: 12px 0 4px; }
.stack { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.narrow { max-width: 360px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 14px 0; }
.inline { display: flex; gap: 8px; align-items: center; }
.inline label { display: flex; gap: 8px; align-items: center; font-size: 14px; color: var(--muted); }
code.copy { display: block; padding: 10px 12px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); font-size: 13px; word-break: break-all; user-select: all; margin: 6px 0 10px; }
ul.videos, ul.channels, ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.video { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 8px 0; }
.line { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.title { font-weight: 600; }
.state { font-size: 14px; color: var(--muted); margin-top: 6px; }
.bar { height: 6px; background: var(--bar); border-radius: 3px; overflow: hidden; margin-top: 10px; }
.bar div { height: 100%; background: var(--accent); transition: width .4s; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.actions button, .actions .button { padding: 6px 10px; font-size: 14px; }
.video.failed { border-color: var(--error); }
.video.expired { opacity: .6; }
a.channel { display: flex; gap: 12px; align-items: center; padding: 10px 0; color: inherit; text-decoration: none; border-bottom: 1px solid var(--line); }
a.channel img, a.channel .img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: var(--bar); flex: none; }
a.channel .title { display: block; }
.channel-head { display: flex; gap: 16px; align-items: center; }
.channel-head img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.channel-head h1 { margin: 0; }
.channel-head p { margin: 2px 0; }
@media (max-width: 480px) {
  .paste { flex-direction: column; }
  .line { flex-direction: column; gap: 2px; }
}